Timers operate by counting clock pulses (1, 10 and 100 msec). The timer output contact is
activated when the count data reaches the value set by the constant K.
A retentive timer has the ability to retain the currently reached present value even after the
drive contact has been removed.
Негізгі бет Mitsubishi FX PLC GX Works 2 Part 5 - Timers (Filipino) with English Subtitle
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